36,572
edits
7B81P: Difference between revisions
no edit summary
No edit summary |
No edit summary |
||
| (5 intermediate revisions by 2 users not shown) | |||
| Line 3: | Line 3: | ||
|series=7000-series scopes | |series=7000-series scopes | ||
|type=7B81P | |type=7B81P | ||
|summary= | |summary=programmable timebase | ||
|image=7B81P Front.jpg | |image=7B81P Front.jpg | ||
|caption=Tektronix 7B81P Timebase plug-in | |caption=Tektronix 7B81P Timebase plug-in | ||
| Line 11: | Line 11: | ||
* ''please add'' [[Category:Manual needed]] | * ''please add'' [[Category:Manual needed]] | ||
}} | }} | ||
The '''Tektronix 7B81P''' is a programmable time base plug-in for [[7000-series scopes]] that was probably designed in 1975. | The '''Tektronix 7B81P''' is a programmable time base plug-in for [[7000-series scopes]] that was probably designed in 1975. According to Dennis Tillman, the 7B81P never went into production. | ||
It is composed of a digital board, a trigger board, and a sweep board. | It is composed of a digital board, a trigger board, and a sweep board. | ||
On the digital board, there is a [[Motorola 6800]] microprocessor and six 6820 Peripheral Interface Adapter ICs to provide more I/O pins. | On the digital board, there is a [[Motorola 6800]] microprocessor and six [[Motorola 6820|6820 Peripheral Interface Adapter]] ICs to provide more I/O pins. | ||
On the trigger board, there is a [[155-0126-00]], a [[155-0109-00]], two AD7511 analog switch ICs, an [[MC1408]] DAC, a CD4053 analog switch, and a couple of opamps. | On the trigger board, there is a [[155-0126-00]], a [[155-0109-00]], two AD7511 analog switch ICs, an [[MC1408]] DAC, a CD4053 analog switch, and a couple of opamps. | ||
| Line 28: | Line 28: | ||
</gallery> | </gallery> | ||
== | ===Prototype A03=== | ||
<gallery> | |||
Tek_7b81p_front.jpg | |||
Tek_7b81p_left.jpg | |||
Tek_7b81p_right.jpg | |||
Tek_7b81p_serial.jpg | |||
Tek_7b81p_detail_sticker_interface.jpg | |||
Tek_7b81p_detail_sticker_eproms.jpg | |||
Tek_7b81p_detail_sticker_programming.jpg | |||
Tek_7b81p_frontpanel.jpg | |||
Tek_7b81p_frontpanel_rear.jpg | |||
Tek_7b81p_switch_front.jpg | |||
Tek_7b81p_switch_rear.jpg | |||
Tek_7b81p_led_front.jpg | |||
Tek_7b81p_led_rear.jpg | |||
Tek_7b81p_trigger_front.jpg | |||
Tek_7b81p_trigger_rear.jpg | |||
Tek_7b81p_sweep_front.jpg | |||
Tek_7b81p_sweep_rear.jpg | |||
Tek_7b81p_programming_front.jpg | |||
Tek_7b81p_programming_rear.jpg | |||
Tek_7b81p_programming_without_sticker.jpg | |||
Tek_7b81p_front_frame.jpg | |||
Tek_7b81p_front_frame_rear.jpg | |||
</gallery> | |||
==Components== | |||
{{Parts|7B81P}} | {{Parts|7B81P}} | ||
[[Category:7000 series horizontal plugins]] | [[Category:7000 series horizontal plugins]] | ||
[[Category:7000_series_programmable_plugins]] | [[Category:7000_series_programmable_plugins]] | ||